表裂紋 的英文怎麼說

中文拼音 [biǎolièwén]
表裂紋 英文
surface shake
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  1. The research shows that the fractal theory can be used to describe quantificationally differentiate and anomalistic micro cracks of concrete that formed in injury evolution

    研究明,用分形理論方法可以定量描述和區分混凝土在損傷演化期間形成的極其不規則的微
  2. Based on the previous research on the portal crane administration, one standpoint put forward in this paper is idea that is on the foundation of reliability in this paper, two viewpoints take shape when reason is analyzed, that is fatigue break and appearing the flaw that will extend. what is the fatigue break ? ( this phenomenon is always happen in some place ), the fatigue is that board appears apophysis and concave when the board is pressed. so that the board ability of bearing the weight of load will descend

    本論文建立在已有的港口裝卸機械管理的研究基礎之上,進一步提出了以可靠性為基礎的港口裝卸機械的管理思想,已有的研究明,港口機械設備破壞主要由於兩個原因,第一是穩定性問題,特別是構件的局部穩定性,所謂穩定性是指:在板的平面內,板受到平行於板面的壓力作用,使板發生隆起、內陷等凹凸不平的結果,從而使板受載能力減弱;第二是結構出現疲勞及其擴展,這是由於設備長時期運行,而造成設備某些部位出現並得以擴展,使設備承載能力下降。
  3. This indicated that the fracture had initiated at the unfused butt weld in the longitudinal stiffener.

    研究是從縱向加勁助未熔透的對接焊縫中起始的。
  4. The results indicate that a stable deformation localization band occurs in the coal cutting course and develops to macroscopic crack ; the deformation localization band is slantwise ; while the cutter tooth is used, the deformation localization develops slowly, and the localization becomes wider and the strain value in the band area higher afterwards ; when the point - attack pick used the localization develops quickly and the localization band becomes narrow and the strain value in the band lower

    研究明:截齒截割煤體過程中,煤體出現穩定的變形局部化帶,且最終發展為宏觀;煤體變形局部化帶為一個傾斜帶:刀齒截割時,變形局部化發展較慢,但產生變形局部化后,局部化帶寬且帶內應變值較高;而鎬齒截割時,變形局部化發展較快,但產生局部化后,局部化帶窄且帶內應變值不如刀齒高。
  5. The cracking with these two types of underfill might become unstable and lead to catastrophic failure at the end. the critical length was about 12m for the assembly with no - flow underfill and 20m for the package with capillary - flow underfill at 20 ?

    模擬明,山固化溫度冷卻到室溫時,所研究的倒裝焊封裝在填充不流動膠時晶元斷臨界長度為12pm ,而填充傳統底充膠時為20hm 。
  6. The results show that " the frame - pack rolling " technology can increase the densify, avoid cracking during rolling, and effectively improve the deformability and mechanical properties of the spray deposited porous aluminum alloy sheets

    結果明:外框限制軋制工藝提高了噴射沉積多孔材料的緻密度,避免了軋制過程中的形成,有效地改善了噴射沉積板坯的軋制性能及材料的力學性能。
  7. Research about ctod and its components 8 ", " shows that the direction angle of ctod vector is identical with the fracture angle of void - mode fracture, which is obtained through experiments, and it is also identical with the result got by peak value line of stress triaxiality. besides, 8 i " was compare with vgc as criterion for initiation of void - mode fracture

    尖端張開位移ctod及其張開型分量~ 1和剪切型分量~ 11的分析明,在試件發生韌窩型斷時,按照圓弧中ctod矢量的垂直方向預測的斷角與試驗測得的斷角符合較好,與三軸度脊線預計的結果也比較一致。
  8. : 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth

    T44mpa m 『 q , sl lt52mpa in 』 」斷口分析明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含量升高,氫脆敏感性增加:在恆載荷的作用下,該合金開始擴展時顯示的是韌性起;隨增長,試樣脆性斷的比例增大。
  9. Close examination of the plug welds showed the existence of herringbone patterns near the slag and voids in welds.

    對塞焊焊縫的詳細檢查明在焊渣及氣孔附近,焊縫中存在著人字型
  10. Based on the line spring model of rice and levy, this paper sets up eight nodes line spring element and its stiffness matrixes and works out a program consist of prism element, hexahedron element and line spring element

    編制了五面體單元、六面體單元和八節點線彈簧單元相結合的計算程序,計算了t型板接頭的應力強度因子,計算值與光彈性試驗結果吻合較好。
  11. Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting.

    從燒割邊緣的擴展可模擬為一個從燒割處的馬氏體面起始的邊
  12. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型,在研究了脈沖超聲波在無限長板中傳播的基礎上,對板中平行於面的、與面成45的斜和四分之一圓周弧形三種情況的脈沖超聲波散射進行了重點研究。
  13. Formation mechanism of cracks in surface oxidating layer of mosi2 heating material

    2電熱材料面氧化層的形成機制
  14. In conclusion, the research of this thesis indicate that the behavior of crack with a arc - tip is the same as that of a spiculate crack, but its load of fracture initiation is higher than the latter

    總之,本文的研究結果明,尖寬度為0 . 12mm的非尖銳的斷行為與尖銳基本相同,但起載荷較高。
  15. The calculation results indicate that the outboard of drum walls fall in plastic yielding at the same time the rising cooling water reaches the height of that point and the yield region becomes narrower and narrower when it comes closer to the circumferential strake weldments, which explains the reason coke drums experience bulging and cracks occur in the weld seams portions of shell to shell after long in service

    計算結果明:塔壁外側在冷卻水面到達的瞬間進入塑性屈服,筒節中部塑性屈服區較大,當靠近焊縫時塔壁的塑性變形區逐漸縮小直至消失,塔壁塑性屈服區的分佈特點解釋了塔體長期使用后發生鼓凸變形及簡體與焊縫連接處產生的原因。
  16. But the deep, multiple fault lines that the row is laying bare ? both within the atlantic alliance, and between the alliance and russia ? seem all too reminiscent of cold - war politics at their dismal worst

    但是深處的多重凸露出來? ?不僅在北約內部,而且在北約和俄羅斯之間? ?似乎極度憂郁地(現出)對冷戰政策的懷念。
  17. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果明:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和
  18. The study indicate that the surface form has no effect on kl, but has obvious effect on kll, and will affect the breaking angle and mode ; in finite plate, the boundary condition has effect on the sif and the k is bigger than in infinite plate ; the effect of the distance and the angle between cracks are all have obvious effects on the multiple crack interaction, and the interactions between cracks also have obvious effects on the sif, which can be neglect only when the distance is bigger enough

    研究明:面狀態對k _的大小沒有影響,而對k _的影響卻很大,相同應力條件下,面狀態會影響的開角和開方式;有限板的邊界對應力強度因子有一定的影響,其k比無限板中的k略大;間的距離、夾角等因素對間的干涉效應均有較大影響,間的干涉效應對應力強度因子的影響非常顯著,只有當間的距離充分大時,干涉效應才可忽略。
  19. Under the complex loadings, the surface flaws of large complex structures and the original defects of materials would initiate the propagation of micro three - dimensional ( 3d ) cracks, and result in catastrophic accidents. for the limitations of the traditional theories of two - dimensional cracks, the safety of actual structures containing 3d cracks cannot be guaranteed completely without the out - of - plane stress constraint

    復雜應力作用下,宏觀復雜結構面加工質量和材料本身固有缺陷以及外來損傷等會引起三維的萌生、擴展,最終導致災難性的破壞,而傳統二維理論在解決實際三維問題時出現不足,無法完全保障結構安全。
  20. 3. studying on prediction methods of the initiation life of aero - gear using shakedown analysis methods in order to directly consider in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations, fatigue crack initiation life was evaluated in aero - gear by using th

    利用chaboche的材料模型,研究了航空齒輪韌性材料在彈、塑性安定下的輪齒接觸疲勞萌生準則,該研究結果與相關的齒輪實驗結果比較分析明:塑性安定下的疲勞萌生預測方法預測航空齒輪的萌生壽命是較安全的。
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